low -grade

• 低品位

low -grade的用法和样例：

例句

1. The comprehensive utilization of low grade paigeite can be realized.
   实现了低品位硼铁矿的综合利用。
2. The ore structure of Daling Mine is complex in Jilin Nickel Industry Corporation, it is typical low grade difficulty mining deposit.
   吉林镍业公司大岭矿矿岩结构复杂，为典型的低品位难采矿床。